SKU: IOWC-0139
📋 GST Invoice Available

Microchip Technology RN4870U-V/RM118 Bluetooth Module BLE 4.2

₹1,399.00 (Inclusive of all taxes)
Out of Stock

The Microchip Technology RN4870U-V/RM118 is a fully qualified Bluetooth Low Energy 4.2 module designed for easy integration via UART, featuring a built-in BLE stack and scripting engine for hostless operation, ideal for low-power IoT devices and industrial automation.

Features

  • Bluetooth Low Energy 4.2 certified module with an external antenna connector for extended range and flexible placement.
  • On-board BLE stack and ASCII command interface (API) over UART simplifies integration and firmware development.
  • Integrated scripting engine enables hostless operation, allowing for autonomous device logic without an external MCU.
  • Ultra-low power consumption with a wide operating voltage range of 1.9V to 3.6V, perfect for battery-powered applications.
  • Features UART transparent service for serial data bridging and supports remote configuration over-the-air (OTA).

Out of stock

Description

The Microchip Technology RN4870U-V/RM118 is a compact, FCC and CE-certified Bluetooth Low Energy (BLE) 4.2 module engineered for reliable wireless connectivity in embedded systems. It integrates a complete BLE protocol stack, offering developers a ready-to-use solution via a simple ASCII command interface over UART, significantly reducing development time and complexity.

Its architecture supports hostless operation through an onboard scripting engine, enabling standalone functionality for beacon services, sensor data logging, or control logic. The module’s robust RF performance, with a sensitivity of -90 dBm, ensures stable communication links in diverse environments, from industrial automation to consumer wearables.

Key Features

  • Fully qualified Bluetooth Smart module with support for an external antenna.
  • Integrated Bluetooth Low Energy 4.2 stack with ASCII command interface over UART.
  • On-chip scripting engine for autonomous, hostless operation and application logic.
  • Beacon private service for creating iBeacon or Eddystone compatible beacons.
  • UART transparent service for seamless serial port profile (SPP) replacement.
  • Remote Over-The-Air (OTA) configuration for field updates and management.
  • Low-power operation optimized for battery-powered IoT and wearable devices.
  • Regulatory pre-certification (FCC, CE) simplifies end-product compliance.

Applications

  • Wearable devices and fitness trackers requiring low-power wireless connectivity.
  • IoT sensor nodes for smart home automation, environmental monitoring, and asset tracking.
  • Industrial automation systems for wireless data acquisition, control, and machine-to-machine (M2M) communication.
  • Beacon solutions for indoor positioning, proximity marketing, and asset management.
  • Battery-powered remote controls, medical devices, and portable instruments.

Technical Specifications

Wireless ProtocolBluetooth Low Energy (BLE) 4.2
Supply Voltage1.9V to 3.6V DC
RF Sensitivity-90 dBm
Operating Temperature-20°C to +70°C
InterfaceUART
Antenna ConnectorExternal antenna support
CertificationsFCC, CE
Product SeriesRN4870

Frequently Asked Questions

How do I communicate with the RN4870 module?

The module uses a simple ASCII command interface over its UART port. You send plain-text commands like "SF,1\r" to factory reset or "SS,00000000\r" to set the device name. Connect the module's TX/RX pins to your host MCU's UART, set the baud rate (default is typically 115200), and send commands to configure the BLE stack, advertise data, or manage connections.

Can the RN4870 operate without an external microcontroller?

Yes, the integrated scripting engine allows for hostless operation. You can write and store a script directly on the module's non-volatile memory to perform tasks like reading a GPIO, advertising sensor data as a beacon, or sending data over UART transparent service autonomously. This eliminates the need for an external processor in simple applications.

What is the power consumption of this BLE module?

Operating from a 1.9V to 3.6V supply, the RN4870 is designed for ultra-low power consumption, crucial for battery life. Actual current draw depends on the operating mode (advertising, connected, sleep). You must consult the detailed datasheet for specific peak transmit/receive and deep sleep currents to accurately design your power supply and battery capacity.

How do I connect an external antenna to the RN4870U-V/RM118?

This module variant supports an external antenna via its connector. You must ensure the antenna is matched to 2.4GHz and has the correct impedance (typically 50 ohms). A proper antenna, like a chip or whip antenna with an IPEX/U.FL connector, should be attached to maximize range and comply with regulatory RF output requirements.

Package Includes

  • 1 x Microchip Technology RN4870U-V/RM118 Bluetooth Module

Additional Information

Weight 0.003 kg
Dimensions 5 × 7 × 1 cm